Pooling data for pest management analysis : a Stein-rule approach /

"August 1987"--P. iii.

Evaluation of three application rates of Bacillus thuringiensis : efficacy and deposit analysis /

"April 1993"--P. [4] of cover.

Economics of Douglas-fir tussock moth control : an analysis using the combined stand prognosis/Douglas-fir tussock moth outbreak model and the FORPLAN linear programming model on the Clearwater and Malheur National Forests /

"March 1984."